The Nikkei 225 Index shed 0.1% to around 51,020 while the broader Topix Index rose 0.5% to 3,375 on Thursday, with Japanese shares showing mixed performances as caution dominated sentiment while investors awaited fresh market signals. SoftBank Group dropped 5.9%, down about 25% from all-time highs, amid mounting losses in technology and AI-related investments. The firm also sold its entire $5.83 billion stake in US chipmaker Nvidia to refocus on ChatGPT maker OpenAI. Other notable laggards included Lasertec (-1.3%), Disco Corp (-1.1%), and JX Advanced (-3.5%). In contrast, Toyota Motor gained 0.3% after announcing plans to invest up to $10 billion in the US over the next five years to strengthen its operations. On the data front, Japan’s producer prices rose more than expected in October.